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  <a name="EN-US_TOPIC_0000001839159845"></a><a name="EN-US_TOPIC_0000001839159845"></a>
  <h1 class="topictitle1">Step 8: Enabling the NFSv4.1 Service</h1>
  <div>
   <p>Before performing NAS backup, you must enable the NFSv4.1 service. Otherwise, the backup will fail.</p>
   <div class="section">
    <h4 class="sectiontitle">Logging In to DeviceManager</h4>
    <ol>
     <li><span>Choose <span class="uicontrol" id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_en-us_topic_0000001311295305_en-us_topic_0000001149078659_uicontrol1098185683619"><b><span id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_text157651936143415"><strong>System</strong></span> &gt; <span id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_text49601653123416"><strong>Infrastructure</strong></span> &gt; <span id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_text112401684352"><strong>Cluster Management</strong></span></b></span>.</span></li>
     <li><span>In the <span class="uicontrol" id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_uicontrol1050641575312"><b><span id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_text133861121163513"><strong>Local Cluster Nodes</strong></span></b></span> area of the <span class="uicontrol" id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_uicontrol13691645105219"><b><span id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_text1763193125313"><strong>Backup Cluster</strong></span></b></span> tab page, click the node name.</span></li>
     <li><span>In the <span class="uicontrol" id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_uicontrol1144724616332"><b><span id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_text51761646203516"><strong>Node detail</strong></span></b></span> dialog box that is displayed, click <span class="uicontrol" id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_uicontrol1544714611335"><b><span id="EN-US_TOPIC_0000001839159845__en-us_topic_0000001839143213_text1624910583612"><strong>Open the device management platform</strong></span></b></span> to go to DeviceManager.</span></li>
    </ol>
   </div>
   <div class="section">
    <h4 class="sectiontitle">Enabling the NFSv4 Service on DeviceManager</h4>
    <ol>
     <li><span>Choose <strong>Settings</strong> &gt; <strong>File Service</strong> &gt; <strong>NFS Service</strong>.</span></li>
     <li><span>In the <strong>vStore</strong> drop-down box in the upper left, select the vStore for which you want to enable the NFSv4 service.</span></li>
     <li><span>Click <strong>Modify</strong> in the upper right.</span><p></p><p>The page for configuring the NFS service is displayed.</p> <p><span><img src="en-us_image_0000001792360766.png"></span></p>
      <div class="note">
       <img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span>
       <div class="notebody">
        <p>The screenshot is for reference only and the actual displayed information may vary.</p>
       </div>
      </div> <p></p></li>
     <li><span>Enable the NFSv4.1 service.</span></li>
     <li><span>Set <strong>Domain Name</strong> to the name of the storage domain.</span><p></p>
      <div class="note">
       <img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span>
       <div class="notebody">
        <ul>
         <li>NFSv4.1 uses a username + domain name mapping mechanism, enhancing the security of clients' access to shared resources.</li>
         <li>In a non-domain or LDAP environment, retain the default domain name <strong>localdomain</strong>.</li>
         <li>In an NIS environment, the entered information must be the same as the domain name in the <strong>/etc/idmapd.conf</strong> file on the Linux client that accesses the share. (You are advised to set both of them to the NIS domain name.)</li>
         <li>The domain name contains a maximum of 64 characters.</li>
        </ul>
       </div>
      </div> <p></p></li>
     <li><span>Click <strong>Save</strong>.</span><p></p><p>A <strong>Danger</strong> dialog box is displayed.</p>
      <div class="notice">
       <span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span>
       <div class="noticebody">
        <p>If a host is accessing the shares of the storage system, enabling or disabling the NFS service may interrupt services. Exercise caution when performing this operation.</p>
       </div>
      </div> <p></p></li>
     <li><span>Confirm the information in the dialog box and select <strong>I have read and understand the consequences associated with performing this operation</strong>.</span></li>
     <li><span>Click <strong>OK</strong>.</span></li>
    </ol>
   </div>
  </div>
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   <div class="familylinks">
    <div class="parentlink">
     <strong>Parent topic:</strong> <a href="en-us_topic_0000001839239709.html">Backing Up a NAS Share</a>
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